MOORE, OK - MAY 19: Janet Underwood (L) watches as her son and other children get on the school bus in front of what used to be a trailer park before it was destroyed almost one year ago by a tornado on May 19, 2014 in Moore, Oklahoma. One May 20, 2013 a two-mile wide EF5 tornado touched down in the town killing 24 people and leaving behind extensive damage to homes and businesses. (Photo by Joe Raedle/Getty Images)